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| PRODUCT DESCRIPTION
Cassegrain telescopes combine the benefits of a Newtonian telescope with the short construction associated with a catadioptric lens. The short lens tube guarantees good vibration behaviour on the mount and easy transportation.
Thanks to their long focal lengths, Cassegrain telescopes are predominantly suited to photographing the Moon, planets and small yet bright planetary nebulae - this is where Cassegrains really come into their own! Of course, it is also possible to visually observe galaxies and star cluster using this lens. Further advantages: Fast cooling and few dew problems thanks to its open lens tube No mirror shift, as the primary mirror is securely fastened and focusing takes place using a high-quality focuser with reduction The focuser also offers generous back focus for astronomical accessories Bright image thanks to dielectric reflection. High contrast due to few obstructions (secondary mirror shadowing) Compact construction for travel and for easy mounting TS Optics is a Telescopic Service trademark. It is not only important which telescope you buy, but also where you buy it. We provide extra help: We are a leading telescope dealer and know these instruments like the back of our hands. We are always very happy to offer our assistance after your purchase, should you encounter any problems with your telescope’s setup or operation. Our ‘Telescope Basics’ booklet - an 80-page beginner's guide for our telescopes – is provided free of charge with every telescope we sell. SPECIFICATIONS Optics Type Reflector Type of build Cassegrain Aperture (mm) 203 Focal length (mm) 2436 Aperture ratio (f/) 12 Resolving capacity 0,68 Limit value (mag) 13,3 Light gathering capacity 840 Max. useful magnification 406 Tube weight (kg) 7,5 tube diameter (mm)230 Tube length (mm) 580 Stray light baffles in the OTAyes Tube constructionFull tube Reflector Main mirror´s construction parabolic secondary mirror designhyperbolic Secondary mirror obstruction 33 reflectivity99 Secondary mirror materialQuartz Primary mirror - MaterialQuartz Adjustableyes Focuser Type of build Crayford Connection ( to eyepiece) 2 Backfocus (mm) 150 Gear reduction1:10 Fine movement Mount Type of build OTA Mounting type no mount Included accessories Prism railVixen-Style finder baseVixen/Skywatcher Level Eyepiece adaptor1,25" - 2" Area of application Astrophotographyyes (Moon & Planets) Moon & Planetsyes Nature Observationno Nebulae & galaxiesyes Sun no (Only with appropriate Sun filter) Recommended for Beginners no Advanced yes Observatories no |
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SIA Insale
40203564087
AS Citadele Banka
LV56PARX0032288770001
